Electronvolts to Watt-Seconds Converter

Enter the energy in electronvolts below to get the value converted to watt-seconds.

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1 eV = 1.6022E-19 Ws
Hint: use a scientific notation calculator to convert E notation to decimal

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How to Convert Electronvolts to Watt-Seconds

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To convert a measurement in electronvolts to a measurement in watt-seconds, divide the energy by the following conversion ratio: 6.2415E+18 electronvolts/watt-second.

Since one watt-second is equal to 6.2415E+18 electronvolts, you can use this simple formula to convert:

watt-seconds = electronvolts ÷ 6.2415E+18

The energy in watt-seconds is equal to the energy in electronvolts divided by 6.2415E+18.

For example, here's how to convert 5.0E+18 electronvolts to watt-seconds using the formula above.
watt-seconds = (5.0E+18 eV ÷ 6.2415E+18) = 0.801088 Ws

Electronvolts and watt-seconds are both units used to measure energy. Keep reading to learn more about each unit of measure.

What Is an Electronvolt?

An electronvolt is the amount of energy required to accelerate an electron through a difference in electric potential of one volt in vacuum. One electronvolt is equal to the charge of 1.602176634 × 10−19 C, and is equal to the energy of 1.602176634 × 10−19 Joules.[1]

Electronvolts can be abbreviated as eV; for example, 1 electronvolt can be written as 1 eV.

Energy in electronvolts can be expressed using the following formula: E = qV

The energy E in electronvolts is equal to the electric charge q in elementary charge times the potential difference V in volts.

Learn more about electronvolts.

What Is a Watt-Second?

The watt-second is a measure of electrical energy equal to one watt of power over a one second period. One watt-second is equal to 1/3,600 of a watt-hour or one joule.

Watt-seconds are usually abbreviated as Ws, although the formally adopted expression is W·s. The abbreviation W s is also sometimes used. For example, 1 watt-second can be written as 1 Ws, 1 W·s, or 1 W s.

In formal expressions, the centered dot (·) or space is used to separate units used to indicate multiplication in an expression and to avoid conflicting prefixes being misinterpreted as a unit symbol.[2]

Learn more about watt-seconds.

Electronvolt to Watt-Second Conversion Table

Table showing various electronvolt measurements converted to watt-seconds.
Electronvolts Watt-seconds
1 eV 0.00000000000000000016022 Ws
2 eV 0.00000000000000000032044 Ws
3 eV 0.00000000000000000048065 Ws
4 eV 0.00000000000000000064087 Ws
5 eV 0.00000000000000000080109 Ws
6 eV 0.00000000000000000096131 Ws
7 eV 0.0000000000000000011215 Ws
8 eV 0.0000000000000000012817 Ws
9 eV 0.000000000000000001442 Ws
10 eV 0.0000000000000000016022 Ws
100 eV 0.000000000000000016022 Ws
1,000 eV 0.00000000000000016022 Ws
10,000 eV 0.0000000000000016022 Ws
100,000 eV 0.000000000000016022 Ws
1,000,000 eV 0.00000000000016022 Ws
10,000,000 eV 0.0000000000016022 Ws
100,000,000 eV 0.000000000016022 Ws
1,000,000,000 eV 0.00000000016022 Ws
10,000,000,000 eV 0.0000000016022 Ws
100,000,000,000 eV 0.000000016022 Ws
1,000,000,000,000 eV 0.00000016022 Ws
10,000,000,000,000 eV 0.0000016022 Ws
100,000,000,000,000 eV 0.000016022 Ws
1,000,000,000,000,000 eV 0.00016 Ws
10,000,000,000,000,000 eV 0.001602 Ws
100,000,000,000,000,000 eV 0.016022 Ws
1,000,000,000,000,000,000 eV 0.160218 Ws
10,000,000,000,000,000,000 eV 1.6022 Ws

References

  1. Tatum, J., Electricity and Magnetism - 2.3: Electron-volts, https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electricity_and_Magnetism_(Tatum)/02%3A_Electrostatic_Potential/2.03%3A_Electron-volts
  2. Bureau International des Poids et Mesures, The International System of Units (SI), 9th edition, 2019, https://www.bipm.org/documents/20126/41483022/SI-Brochure-9-EN.pdf

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